if File.directory?("/usr/local/lib/erlang/lib/kernel-2.11.4")
  STDERR.puts ""
  STDERR.puts " =========== NOTICE ============="
  STDERR.puts " About to install Erlang R11B-4. "
  STDERR.puts " This 11 MB download will take a "
  STDERR.puts " while to download, configure,   "
  STDERR.puts " and compile. Please be patient. "
  STDERR.puts " No feedback is a good thing.    "
  STDERR.puts " ================================"
end

if File.directory?("/usr/local/lib/yaws")
  STDERR.puts ""
  STDERR.puts " =========== NOTICE ============="
  STDERR.puts " About to install Erlang Yaws. It"
  STDERR.puts " will take a while to configure  "
  STDERR.puts " and compile. Please be patient. "
  STDERR.puts " No feedback is a good thing.    "
  STDERR.puts " ================================"
end